Round Lake Heights, Illinois

Round Lake Heights population, 2020 to 2024

Round Lake Heights lost 16 residents from July 2020 to July 2024, a change of -0.6%. In the latest year it moved by +8.

Round Lake Heights covers 0.58 square miles of land and 0.05 of water, for 4,481 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Round Lake Heights is denser than the typical town.

What county Round Lake Heights is in

All of Round Lake Heights's residents live in Lake County, which had 718,604 residents in 2024. Round Lake Heights holds 0.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Round Lake Heights

1 ZIP Code Tabulation Area (ZCTA) overlaps Round Lake Heights by at least 10% of the ZCTA's or the village's land: 60073. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Round Lake Heights is

The Census internal point of Round Lake Heights is at 42.384600, -88.105900. Springfield, the capital, is 197.0 miles SSW in a straight line. The nearest larger place is Round Lake Beach, IL (27,091 people), 1.3 miles away. The nearest city of 100,000 or more is Elgin, IL, 26.4 miles away.

Daylight in Round Lake Heights

At 42.38° N, Round Lake Heights gets about 15 h 17 min of daylight around the June solstice and 9 h 04 min around the December solstice, a swing of 6 h 13 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Round Lake Heights

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Round Lake Beach, 1.3 miles away, with 27,091 people.